CVSS 3.1
6.4 mediumCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2023-26555
Medium (6.4) in ntp ntp. EPSS 0.5% chance of exploitation in the next 30 days.
praecis_parse in ntpd/refclock_palisade.c in NTP 4.2.8p15 has an out-of-bounds write. Any attack method would be complex, e.g., with a manipulated GPS receiver.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
- CWE
- CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- ntp:ntp
References
- https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26555
- https://github.com/spwpun/ntp-4.2.8p15-cves/issues/1#issuecomment-1506546409
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IY2SVYH4MKPAXEYHCCXD3Z6VGINLSVHK/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3VHEHHWCTYSB7HVJLYPVK4RPJZ5LX52/
- https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26555